databroker.Broker.alias¶
- Broker.alias(key, **query)[source]¶
Create an alias for a query.
- Parameters
- keystring
must be a valid Python identifier
- query
keyword argument comprising a query
Examples
Define an alias that searches for headers with purpose=’calibration’.
>>> db.alias('cal', purpose='calibration')
Use it.
>>> headers = db.cal # -> db(purpose='calibration')
Review defined aliases.
>>> db.aliases {'cal': {'purpose': 'calibration'}}